Exercise 3: Changed into negative and interrogative form. 1. They used to play tennis twice a week. They didn’t use to play tennis twice a week. Did They use to play tennis twice a week? 2. I used to go to the gym three times a week. .......................................................................................................................................... .......................................................................................................................................... 3. Tennis used to be a sport for rich people only. .......................................................................................................................................... .......................................................................................................................................... 4. My father used to take me to see soccer games on Saturday. .......................................................................................................................................... .......................................................................................................................................... 5. He used to buy a new tennis racket. .......................................................................................................................................... .......................................................................................................................................... Exercise 4: Rewrite the sentences with "used to". 1. They often went to Da Lat in the summer. They used to go to Da Lat in the summer. .......................................................................................................................................... 2. We usually played soccer in the past. .......................................................................................................................................... 3. I got up earlier when I had work. .......................................................................................................................................... 4. Tom did his homework in the evening. .......................................................................................................................................... 5. Lan wrote to Mary twice a month. .......................................................................................................................................... 6. He worked at night when he worked in the supermarket. .......................................................................................................................................... 7. Did they watch TV in the past? .......................................................................................................................................... 8. She played badminton in her free time. .......................................................................................................................................... 9. They went swimming in the afternoon in 1990. .......................................................................................................................................... 10. He was a doctor in that hospital. ..........................................................................................................................................